We report the best room-temperature dielectric function data for zincblende-type ZnS from 3.7 to 6.0 eV, obtained by spectroscopic ellipsometry together with real-time assessment of overlayer removal. These data were extended to 9.0 eV (without chemi...
We report the best room-temperature dielectric function data for zincblende-type ZnS from 3.7 to 6.0 eV, obtained by spectroscopic ellipsometry together with real-time assessment of overlayer removal. These data were extended to 9.0 eV (without chemical etching) using a variable-angle system. This permits the first detailed analysis of the $E_2$ band gap of ZnS, revealing 3 bandgaps in this spectral region